(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
mb_regex_encoding — Set/Get character encoding for multibyte regex
$encoding = null): string|boolSet/Get character encoding for a multibyte regex.
encodingencoding
參數(shù)為字符編碼。如果省略或是 null，則使用內(nèi)部字符編碼。
If encoding is set, then
成功時(shí)返回 true， 或者在失敗時(shí)返回 false。
In this case, the internal character encoding is NOT changed.
If encoding is omitted, then
the current character encoding name for a multibyte regex is returned.
| 版本 | 說明 |
|---|---|
| 8.0.0 |
現(xiàn)在 encoding 可以為 null。
|